Association With Control/Drive Circuits TRIZ Cases

Ribbed baseplate channels fluid flow around transistors to resolve insufficient cooling in IGBT assemblies.

Snap-fit spacers adjust stem length without special tooling, resolving manufacturing complexity.

Metal heat sink insert transfers thermal energy from electronic components to the exterior environment, resolving EMI shielding and heat dissipation trade-offs.

A motor device uses intermediary protrusions to position a circuit board relative to a case base.

A mold device injects resin into stacked motor core magnet holes based on information read from an attached ID code.

Insulation displacement contact elements pierce jumper wire insulation to establish electrical connection with stator windings.

A vehicle control device switches to a cooling priority mode by adjusting motor and engine outputs.

Curved surfaces on the carrier and bracket self-align bearings to resolve axial accuracy trade-offs during planetary gear assembly.

Adjacent power rail lines reduce current loop area, lowering inductance and voltage transients for faster switching.

A motor unit seal prevents moisture intrusion through a connector passage by directing water droplets away from the sealing interface using a cover groove.

Radial wall recesses circulate coolant to dissipate heat while relief zones accommodate manufacturing tolerances for constant air gap.

Extracting the axial flux motor outside the fan chamber eliminates aerodynamic losses while maintaining torque production.

A universal motor replaces mechanical commutators with synchronized rotor and stator waveform generation driven by rotational position sensors.

Reversed phase orders in drive device extension lines balance wiring lengths, reducing impedance variation among phases.

Segmented rotor assemblies replace heavy solid masses, resolving the weight versus torque trade-off while enabling compact planetary gear integration.

An insulating cover on the wiring board reduces electrostatic capacitance in axial gap motors.

A semiconductor module cooling device uses segmented thermal paths to transfer heat from chips and capacitors to refrigerant circulation systems.

Multiple position sensors enable a controller to calculate lost motion differences, detecting wear-induced lag before it degrades engine system reliability.

A stepped bus bar with an elastic extension portion passes through a printed wiring board hole to resolve coupling strength versus heat loss trade-offs.

Extracting the stator from moving trolleys eliminates cable chains and reduces device complexity while maintaining independent mover control.

A motor controller manages reflux current by activating a specific switch to lower electrical resistance.

An insulation sheet covers the base portion through hole in a spindle motor, protecting lead wire coatings from damage during assembly.

Integrating a one-body heat sink with radial power module placement reduces the along-motor-shaft dimension while maintaining thermal capacity.

Paired electrical conductor groups with distinct circumferential pitches reduce coil end size in rotating electric machines.

A dual cooling system cools a rotating electric machine and drive unit using combined oil dripping and water channels.

Segmented motors eliminate differential gearboxes to boost reliability while reducing weight and complexity.

Segmenting ground lines reduces switching noise and eliminates extra filtering components.

Merges control electronics into the conductive housing to create a Faraday cage, reducing electrical losses and electromagnetic interference.

A plate-shaped heat sink and lower case configuration positions the fastening surface within the heat sink height range to minimize center of gravity deviation.

Alternating projecting and stopper portions with adjusted curvature radii ensure uniform circumferential stress during stator shrink fitting.

Parallel transistor arrays adjust active device count to maintain measurement precision without external resistors that consume power.

An e-charger housing integrates solid-state and fluid viscous dampeners to dissipate vibrations while maintaining a compact design.

An electromagnetic wiper actuator uses a coil and permanent magnet rail to drive linear motion.

Nested power terminals reduce radial size of electric power steering devices while maintaining reliable electrical connectivity.

An integrated heat sink in the motor end frame resolves thermal management bottlenecks while maintaining structural integrity.

A conductive elastic body electrically connects an electric component end portion to a motor yoke.

An integrated motor and inverter uses perimeter cooling to dissipate heat while flexible busbars simplify electrical connections.

Inverting permanent magnets inside C-coils boosts torque density while reducing system mass.

A motor controller housing positions electronics radially outside the stator shell to secure mounting via integrated fasteners.

Merging voltage detection with rotor positioning reduces boot time while preventing machine damage from undetected electrical faults.

An extruded profile housing integrates a flexible plug rail to guide and fix electrical conductors along the rotor shaft axis.

A power semiconductor device uses separate first and second resin sealing portions to maintain structural integrity.

A motor design immerses the stator and coil in a cooling medium within a cylindrical housing to enable efficient heat dissipation.

A compact brushless DC motor assembly integrates magnetic field sensors to measure radial flux for precise rotor position detection.

A resonant motor system uses magnetic coils and capacitors to generate electric power at high rotational speeds.

A tubular inner frame houses radially mounted power modules within an annular liquid cooling jacket for efficient thermal management.

Asymmetric sensor distribution in a dual-train tailgate drive synchronizes variable-length actuation parts, reducing mechanical overload and production costs.

A detection unit monitors motor rotation angle signals using dual sensors and communication delay correction to maintain accurate timing.

Radially nesting capacitors between semiconductor modules and the motor case reduces axial length while maintaining torque generation.

Motor terminal slot breaks solder surface tension to prevent residue while reducing part count for volume reduction.